Upgrade to Lettuce 5.2.1.RELEASE

Closes gh-18822

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -145,7 +145,7 @@
 		<kafka.version>2.3.1</kafka.version>
 		<kotlin.version>1.3.50</kotlin.version>
 		<kotlin-coroutines.version>1.3.2</kotlin-coroutines.version>
-		<lettuce.version>5.2.0.RELEASE</lettuce.version>
+		<lettuce.version>5.2.1.RELEASE</lettuce.version>
 		<liquibase.version>3.8.0</liquibase.version>
 		<log4j2.version>2.12.1</log4j2.version>
 		<logback.version>1.2.3</logback.version>